1310222000 has 40 divisors (see below), whose sum is σ = 3168121632. Its totient is φ = 524088000.

The previous prime is 1310221999. The next prime is 1310222003. The reversal of 1310222000 is 2220131.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (1310222003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 325556 + ... + 329555.

Almost surely, 2^1310222000 is an apocalyptic number.

1310222000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1310222000 is an abundant number, since it is smaller than the sum of its proper divisors (1857899632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1310222000 is an equidigital number, since it uses as much as digits as its factorization.

1310222000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655134 (or 655118 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 1310222000 is about 36196.9888250390. The cubic root of 1310222000 is about 1094.2459867498.

Adding to 1310222000 its reverse (2220131), we get a palindrome (1312442131).

The spelling of 1310222000 in words is "one billion, three hundred ten million, two hundred twenty-two thousand".